////////////////////////////////////////////////////////////////////////////////
//Copyright (c) 2010 Michal Szczepanski - (http://vane.pl)
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in
//all copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//THE SOFTWARE.
////////////////////////////////////////////////////////////////////////////////
package pl.vane.as3relax
{
	import flash.external.ExternalInterface;
	
	/**
	 * CouchUtils is helper that and simplifies some operations with the CouchDB
	 * 
	 * @langversion ActionScript 3.0
	 * @playerversion Flash 9.0
	 * @tiptext
	 */ 
	public class CouchUtils
	{
		/**
		 * @private
		 */
		public static function deletionDocs(docs:Array/* of ICouchDocument*/):String {
			var s:String = new String;
			for(var i:int;i<docs.length;i++) {
				if((ICouchDocument)(docs[i]).deletedJSON)
					s += (ICouchDocument)(docs[i]).deletedJSON+',';
			}
			return s.substr(0,s.length - 1);
		}
		
		/**
		 * @private
		 */
		public static function requestJS(callbackFunction:String, params:String):void {
			if(ExternalInterface.available) {
				ExternalInterface.call(callbackFunction, params);
			}
		}
	}
}
